Analytic Number Theory
Otto Forster: Analytic Number Theory Lecture notes of a course given in the Winter Semester 2001/02 at the Department of Mathematics, LMU Munich, Germany O. Forster: Analytic Number Theory Contents 0. Notations and Conventions 1 1. Divisibility. Unique Factorization Theorem 3 2. Congruences. Chinese Remainder Theorem 7 3. Arithmetical Functions. M¨obiusInversion Theorem 11 4. Riemann Zeta Function. Euler Product 20 5. The Euler-Maclaurin Summation Formula 27 6. Dirichlet Series 37 7. Group Characters. Dirichlet L-series 47 8. Primes in Arithmetic Progressions 52 9. The Gamma Function 57 10. Functional Equation of the Zeta Function 64 11. The Chebyshev Functions Theta and Psi 72 12. Laplace and Mellin Transform 78 13. Proof of the Prime Number Theorem 84 O. Forster: Analytic Number Theory 0. Notations and Conventions Standard notations for sets Z ring of all integers N0 set of all integers ≥ 0 N1 set of all integers ≥ 1 P set of all primes = {2, 3, 5, 7, 11,...} Q, R, C denote the fields of rational, real and complex numbers respectively A∗ multiplicative group of invertible elements of a ring A [a, b], ]a, b[ , [a, b[ , ]a, b] denote closed, open and half-open intervals of R R+ = [0, ∞[ set of non-negative real numbers ∗ ∗ R+ = R+ ∩ R multiplicative group of positive real numbers bxc greatest integer ≤ x ∈ R Landau symbols O, o For two functions f, g :[a, ∞[ → C, one writes f(x) = O(g(x)) for x → ∞, if there exist constants C > 0 and x0 ≥ a such that |f(x)| ≤ C|g(x)| for all x ≥ x0.
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